1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 14 March 2003 prEN 4101 Edition P 2 March 2003 Comments should be sent within six months after the date of publication to AECMA-STAN ICs: Descriptors: ENGLISH VERSION Aerospace series Al um i ni um alloy AL-P2024- T4 Sheet and st
2、rip with improved stretch forming capability 0,4 mm I a I 6 mm Supersedes edition P 1 August 1993 Srie arospatiale Luft- und Raumfahrt Alliage daluminium AL-P2024- Aluminiumlegierung AL-P2024- T4 T4 Bleche und Bnder mit besserer Eignung zum Streckziehen 0,4 mm i ai 6 mm Tles et bandes avec aptitude
3、amliore ltirage sur forme 0,4 mm i ai 6 mm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has been t
4、echnically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard.
5、 After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Metallic Material Domain I I Copyright 2003 O by AECMA-STA1 Page 2 prEN 4101 : 2003 Foreword This standard was
6、reviewed by the Domain Technical Coordinator of AECMA-STANS Metallic Material Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Process Manual, this standard has received approval for Publication. Page 3 prEN 4101: 2003 O Introdu
7、ction This standard is part of the series of EN metallic material standards for aerospace applications. The general organization of this series is described in EN 4258. This standard has been prepared in accordance with EN 4500-2. 1 Scope This standard specifies the requirements relating to: Alumini
8、um alloy AL-P2024- T4 Sheet and strip with improved stretch forming capability 0,4 mm a 6 mm for aerospace application. 2 Normative references This European Standard incorporates by dated or undated refere provisions from other ublications. These normative references are cited at the appropriate pla
9、ces in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication refe
10、rred to applies. EN 4258, Aerospace series - Metallic materials - General organization of standardization - Links between types of EN standards and their use EN 4400-2, Aerospace series - Aluminium and aluminium alloy wrought products - Technical specification - Part 2: Sheet and strip 1 ) EN 4500-2
11、, Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 2: Specific rules for aluminium, aluminium alloys and magnesium alloys 1) 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4101: 2003 Test piece(s) Heat
12、 treatment Dimensions concerned mm each face Direction of test piece Thickness of cladding on % Form Sheet and strip Method of production Rolled Limit dimension(s) mm 0,4 a 6 Technical specification EN 4400-2 See EN 4400-2. Use condition. 0,8 a 3,2 3,2 a 6 0,4 a 0,8 - - - LT LT LT I T4 I 3.1 I Deliv
13、ery condition Hardness Shear strength R, MPa Bending k- Heat treatment - - - - - - 2; a = 180“ 2,5; a = 180“ 33; a = 180“ 490 OC e 500 OC I WQ e 40 OC + O= ambientlt 25 d - Elongation Rupture stress I U I 3.2 I Delivery condition code a% - oR MPa - I T4 I 7 I Use condition Elongation at rupture I He
14、at treatment I Delivery condition I A % - - 3.1 3.2 3.3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 - - - - - - - - - - - - - - - - - - - - - - Notes (see line 98) Characteristics - Test sample(s) I See EN 4400-2. Ambient I Ambient I Temperature I 0 I “C I Ambient Strength I Rm I MPal 2
15、430 I 2 430 I 2 430 Elongation I A I % I bmm 2 16 I hmm 2 18 I hmm 2 18 Reductionofarea Z % - - - - Impact strength I I Temperature I 0 I “C I - I Time Ihl Page 5 prEN 4101 : 2003 7 ntergranular corrosion Dimensions (mm) 0,4 a 1,6 1,6a3,2 3,2 a 6 Depth of penetration (pm) 125 150 200 ixternal defect
16、s - 7 3atch uniformity See EN 4400-2. Electrical conductivity y MSlm 17,5 (Typical value) or Marking inspection 6 16 per product Iimensional inspection A 24 per batch Votes - 7 rypical use See EN 4400-2. For sheet, maximum acceptable deviation from flatness: 1,5 % of length or width. -I See EN 4400-2. -I See EN 4400-2. Hardness -I See EN 4400-2. -I -I 100 See EN 4400-2. Qualification programme to be agreed between manufacturer and purchaser. Page 6 prEN 4101: 2003 - Product qualification
